Home / 744,853.61-1,117,290.82-212,374.65

Finding the Fourth Proportional to 744,853.61, 1,117,290.82 and 212,374.65

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Solution

The fourth proportional to 744,853.61, 1,117,290.82 and 212,374.65 is: 318,564.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,853.61 : 1,117,290.82 = 212,374.65 : x
  2. Step 2: Convert to fraction form
    744,853.61/1,117,290.82 = 212,374.65/x
  3. Step 3: Cross multiply
    744,853.61x = 1,117,290.82 × 212,374.65
  4. Step 4: Simplify right side
    744,853.61x = 237,284,241,259.26
  5. Step 5: Solve for x
    x = 237,284,241,259.26/744,853.61
  6. Step 6: Final answer
    x = 318,564.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.